Comment # 70 on bug 69723 from Alexandre Demers

(In reply to comment #67)
> I may have been lucky until now, but disabling the whole ss seems to be
> better. I'll continue testing.

It took me longer, but I hanged the GPU again running Phoronix test suite.
Nothing in the journal about the latest hang. I'm now testing with mclk_ss
disabled on stock 3.13-rc3 (no patch reverted).